I2C_I2SR_IBB
if (imxiic_wait_state(sc, I2C_I2SR_IBB, I2C_I2SR_IBB))
imxiic_wait_state(sc, I2C_I2SR_IBB, 0);
if (imxiic_wait_state(sc, I2C_I2SR_IBB, I2C_I2SR_IBB)) {